Roses forum: Rose Seedlings

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Name: Nyx
Washington (Zone 8a)
Apr 4, 2017 8:33 PM CST
So I've taken upon the fun task of breeding my own roses! Starting from seed, I have crosses of my Jacweave Social Climber, my Heaven on Earth hybrid tea, and a Beach Rose. I was unable to pollinate these by hand so many of the seeds I have could be crossed with other local roses or self pollinated; we have many wild Nootka Roses in the area as well.

I've stratified all these seeds myself over the course of about 14 weeks and planted them roughly a month ago, so far I was seeing no sprouts and was mildly disappointed knowing that roses have a very low germination rate; well imagine my surprise when today one of the Beach Rose seeds had begun to sprout! That can only mean there's more on the way!

Anyone have any tips with ensuring these little cuties grow well?

(not my seedlings)
Thumb of 2017-04-05/NyxOfTheFallen/1c6b85

Name: Lyn
Weaverville, California (Zone 8a)
Garden Ideas: Level 1 Garden Sages Celebrating Gardening: 2015
Apr 6, 2017 8:10 PM CST
Nyx ...

Congratulations on beginning a new learning curve. I tip my hat to you.

I didn't quite understand your post.

Are you talking about a crosses of your wild Nootka Roses and the cultivars 'Social Climber' or 'My Heaven on Earth' not having good germination rates ?

or did you collect seeds from open pollinated hips ?
I'd rather weed than dust ... the weeds stay gone longer.
Sydney, Australia (Zone 10b)
Apr 7, 2017 1:21 AM CST
The OP mentions all seed were open pollinated, so pollen parentage is unknown but possible parents from the area are mentioned.

In general you'll get about third to germinate, of those a bunch may die off due to lack of resistance to various things.

I don't do anything special apart from make sure they don't get too dry...but I live in an area that never gets frosts, just gets really hot....but then I sow seed in autumn and often through winter a bit...dormancy doesn't really happen here, just slowed growth and less flowering.
Anyone with oryzalin (aka Surflan, Embargo), am looking for a small amount rather than 5litres from manufacturer (min size in Australia....)
Name: Lyn
Weaverville, California (Zone 8a)
Garden Ideas: Level 1 Garden Sages Celebrating Gardening: 2015
Apr 7, 2017 9:34 AM CST
@Protoavis ...

Your method is exactly the method that was used to develop new roses back in the early days before the lineage of roses were ever recorded ... Smiling

Those that were interested in creating new roses would plant roses they hoped would be good parents near each other and hoped that the bees would do the necessary work of spreading the pollen and that when the new seedlings bloomed, they might find one or two they would like to carry forward ... Smiling So, you are following tradition.

I guess what was behind my question to Nyx was whether or not she had done any hand pollination with the wild roses. Crosses with her climber and hybrid tea would most and the wild rose will have a very low rate of success because of the difference in the chromosome count between species roses and hybrid roses.

However, some of those crosses do succeed. That's how we got the hybrid roses.
I'd rather weed than dust ... the weeds stay gone longer.
Name: Porkpal
Richmond, TX
Charter ATP Member I was one of the first 300 contributors to the plant database! Keeper of Poultry Farmer Roses Raises cows
Garden Ideas: Level 2 Celebrating Gardening: 2015 Plant Identifier
Apr 7, 2017 10:41 AM CST
In her original post she said she was unable to pollinate any by hand. Back to tradition.
Name: Nyx
Washington (Zone 8a)
Apr 9, 2017 10:30 PM CST
Okay, to explain, the rosa rugosa have the potential to be crossed with nootka roses or pure self pollinated, the Social Climbers would be self pollinated or crossed with my Heaven on Earth roses.

Two rugosa seedlings are up!
WA (Zone 8b)
Roses Photo Contest Winner: 2016
Apr 23, 2017 10:59 AM CST
Hi Nyx most likely your rugosas are self pollinated. They tend to release their pollen early before their fully open. I think the successful Nanooka rose seedlings will most likely be self for the same reason as mention above. As for the other cultivars they may very well have crossed, even if they haven't the seedlings will likely look at least slightly different from eachother with various shades of color and petal count because the genes are reshuffled.
[Last edited by Rebekah - Apr 23, 2017 7:44 PM (+)]
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